$blue: #3190e8;
$bc: #e4e4e4;
$fc:#fff;
$fontRed:#dd2727;
$fontMain:#333;
@function px2rem($px) {
  @return $px/40*1rem;
}
// 背景色
@mixin bc($color) {
  background-color: $color;
}

// 背景图片地址和大小
@mixin bis($url) {
  background-image: url($url);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

@mixin borderRadius($radius) {
  -webkit-border-radius: $radius;
  -moz-border-radius: $radius;
  -ms-border-radius: $radius;
  -o-border-radius: $radius;
  border-radius: $radius;
}

//定位全屏
@mixin allcover {
  position: absolute;
  top: 0;
  right: 0;
}

//定位上下左右居中
@mixin center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

//定位上下居中
@mixin ct {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

//定位上下居中
@mixin cl {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
// 内容居中
@mixin flex_center{
  display: flex;
  justify-content: center;
  align-items: center;
}
//宽高
@mixin wh($width, $height) {
  width: px2rem($width);
  height: px2rem($height);
}

//字体大小、行高、字体
@mixin font($size, $line-height, $family: 'Microsoft YaHei') {
  font: #{$size}/#{$line-height} $family;
}

//字体大小，颜色
@mixin sc($size, $color:$fontMain) {
  font-size:px2rem($size);
  color: $color;
}

//flex 布局和 子元素 对其方式
@mixin fj($type: space-between) {
  display: flex;
  justify-content: $type;
}
